Jastrow, שְׁדַךְ 1

שְׁדַךְ, שְׁדוֹךְ, שְׁדִיךְ (v. דוּךְ a. דעך; cmp. Targ. Prov. XV, 18 דעך = h. שקט) [to be sunk, settled,] to be quiet, at ease. Targ. Is. XIV, 7. Targ. Josh. XI, 23. Targ. Job III, 25. Targ. Y. II, Deut. XXXIII, 3. Targ. Y. II, Num. XXIII, 24 (ed. Vien. שריך, corr. acc.); a. fr.—Y. Yoma VIII, 45ᵃ bot. אמרין לקדמייא וש׳ they spoke to the first (infant in the mother’s womb), and it became quiet. Y. Shebi. IX, 38ᵈ כד חמא דשַׁדְכָן מילייא when he saw that things had settled down (the persecutions had ceased); Gen. R. s. 79 מְשַׁדְּכָן (part. pass. Pa.).
    Af. - אַשְׁדֵּיךְ to settle, quiet, pacify. Targ. Ps. LXV, 8 (Ms. תְּשַׁדֵּךְ Pa.). Targ. Job XXXIV, 29 (not יִשְׁ׳). Targ. Y. Num. XVII, 20 (ed. Vien. אִשְׁרֵיךְ, corr. acc.).
    Pa. - שַׁדֵּיךְ 1) same. Targ. Ps. XCIV, 13. Ib. XC, 11. Targ. Job XXXVII, 17; a. e. (v. supra).—Gen. R. s. 64 יעול … וִישַׁדֵּךְ צבורא let a wise man come and pacify the people; (Yalk. ib. 111 וישדל). —2) to arrange, stipulate, esp. to negotiate a marriage (by sending an agent to settle affairs). Kidd. 13ᵃ התם בדש׳ in that case it means that he had been negotiating (when he finally betrothed her with a stolen object); ומנא תימרא … בין ש׳ ודלא ש׳ and how will you prove that it makes a difference whether a betrothal was preceded by negotiations or not?
    Ithpa. - אִשְׁתַּדַּךְ,
    Ithpe. - אִשְׁתְּדִיךְ to be quieted, settled. Targ. Esth. II, 1. Ib. VII, 10. Targ. Y. Gen. VIII, 1 (some ed. אשתרבו, corr. acc.; Ar. שְׁדִיכוּ).